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Class Information
Number: 210/132
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Fluid pressure responsive by-pass > With additional separation or treating means
Description: Apparatus in which the by-pass contains separation or treatment means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8679334 Power steering filter assembly Mar. 25, 2014
8658032 Filter cartridge Feb. 25, 2014
8632676 Liquid filter assembly; components; and methods Jan. 21, 2014
8535520 Three-stage fuel filter Sep. 17, 2013
8425769 Filter arrangement and methods Apr. 23, 2013
8287731 Fluid tank with kidney-loop filtration system Oct. 16, 2012
8241494 Liquid filter assembly Aug. 14, 2012
8177976 Liquid filter assembly, components; and methods May. 15, 2012
8119002 Liquid filter assembly; and methods Feb. 21, 2012
8051660 Charging device Nov. 8, 2011
8002975 Filtration device with a pressure-activated means for bypassing serial filter layers Aug. 23, 2011
7875171 Suction filter for an automatic transmission Jan. 25, 2011
7854837 Filter cartridge with pressure relief valve Dec. 21, 2010
7820040 Water pollution trap and methods of use thereof Oct. 26, 2010
7615146 Fluid filter with restrictive filter media for pressure relief Nov. 10, 2009
7513992 Filtration device with pressure-activated means for bypassing serial filter layers Apr. 7, 2009
7399419 Modular filtration system Jul. 15, 2008
7357865 Automatic transmission fluid filtration system Apr. 15, 2008
7329342 Metallic particle trap bypass filter Feb. 12, 2008
7279091 Filter device Oct. 9, 2007
7243740 Filter assembly having a bypass passageway and method Jul. 17, 2007
7182855 Fuel filter with valve indicator Feb. 27, 2007
7166210 Oil filter cartridge Jan. 23, 2007
7056432 Tank mounted oil filter assembly Jun. 6, 2006
6972087 Transmission sump filter with bypass valve Dec. 6, 2005
6908545 Hydraulic filter assembly with priority valve Jun. 21, 2005
6884341 Filter device to capture a desired amount of material Apr. 26, 2005
6881330 Multi-stage EDM filter Apr. 19, 2005
6841065 Fluid filter with pressure relief valve Jan. 11, 2005
6818122 Dual stage filter element bypass valve Nov. 16, 2004
6773588 Purified water supply system Aug. 10, 2004
6758980 Liquid filter with separate and calibrated vapor release Jul. 6, 2004
6733666 Filtering device, especially a suction return filter May. 11, 2004
6638423 Multiple stage fuel strainer assembly Oct. 28, 2003
6605210 Hydraulic fluid filter device Aug. 12, 2003
6585887 End cap relief valve mechanism for a filter Jul. 1, 2003
6540909 Fluid filter with pressure relief valve Apr. 1, 2003
6485634 Filtration system for industrial coolants Nov. 26, 2002
6423215 Fluid filter unit with automatic clogged filter element bypass and ferrous indicator flag Jul. 23, 2002
6375833 Filter assembly with UV treatment, filter bypass, and clogging indicator Apr. 23, 2002
6306291 Automatic silt density index apparatus Oct. 23, 2001
6267875 Reusable spin-on multi system oil filter and method of reclaiming used filter canisters Jul. 31, 2001
6165355 Fluid filter having a three way valve construction Dec. 26, 2000
6139725 Oil reclamation device with vaporization chamber Oct. 31, 2000
6126818 Filter system for the lubricant of an internal combustion engine Oct. 3, 2000
5922199 Double pass fuel filter assembly Jul. 13, 1999
5916435 Conical coreless filter assembly and element Jun. 29, 1999
5885447 Liquid filtration system incorporating a bypass filter element Mar. 23, 1999
5830347 Cleaning mechanism for a fluid filter Nov. 3, 1998
5814215 Oil filter including an integral filter support and housing drain valve assembly Sep. 29, 1998

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